Stroking is read as soothing and affection, a slow gesture of care. Dream books see it as a wish to calm or to be calmed.
Where in your waking life have you met something like this lately?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.